Gas filled pyrometer standard No. 285
- Made:
- circa 1951
- maker:
- National Physical Laboratory
Gas filled pyrometer standard No. 285, calibrated at the National Physical Laboratory (a specially designed lamp with a metal filament, in a wooden case, probable date 1951.
Details
- Category:
- Heat
- Object Number:
- 2001-113
- Materials:
- glass & metal, wood and felt
- Measurements:
-
case: 112 x 292 x 115 mm
- type:
- pyrometer
- credit:
- British Alcan Aluminium plc
